Snowflake Data Analytics Engineer & DBA

SANDRINE TITA

Snowflake Developer & Administrator • SQL Server Database Administrator

Laurel, MD +1-402-***-**** **********@*****.*** P R O F E S S I O N A L S U M M A R Y

Results-driven Snowflake Developer and SQL Server Database Administrator with 9+ years of experience designing scalable cloud data architectures, building high-performance ETL pipelines, and administering enterprise SQL Server environments. Expert in Snowflake data warehousing, RBAC security, dynamic data masking, and cost optimization across financial services and healthcare sectors. Proven track record delivering measurable outcomes — including 30% improvement in processing efficiency and 25% improvement in revenue reporting efficiency. Skilled in SQL Server HA/DR, cloud migration, Tableau/Power BI integration, and driving data governance and compliance across enterprise environments. C O R E C O M P E T E N C I E S

Snowflake Platform

Data Warehousing • Virtual Warehouses

• Snowpipe • Streams & Tasks • Time

Travel • Zero-Copy Cloning • Clustering

Keys • Secure Views • Dynamic Data

Masking

Snowflake Security & Governance

RBAC • Row-Level Security • Column-

Level Masking • Data Sharing • Network

Policies • Audit Logging • Compliance

Controls • Data Classification

SQL Server DBA

SQL Server 2016–2022 • Always On AG •

Log Shipping • Mirroring • Backup &

Recovery • SQL Agent • Index &

Statistics Tuning • Query Optimization

ETL & Data Integration

Snowflake COPY INTO • Fivetran •

Matillion • Pentaho • IBM DataStage •

ADF (Azure Data Factory) • Pipeline

Automation • JAMS Job Scheduler

Cloud & Data Modeling

Azure • AWS S3 Integration • Star &

Snowflake Schemas • Dimensional

Modeling • Data Lake Integration • SQL

Server Snowflake Migration

Programming & BI Tools

T-SQL • Python • JavaScript • Tableau •

Power BI • Stored Procedures • Views &

Functions • Jira • Confluence . GitHub

P R O F E S S I O N A L E X P E R I E N C E

Liberty Mutual Insurance Newark, NJ April 2020 – Present Snowflake Developer / SQL Server DBA

• Design and maintain Snowflake data pipelines ingesting data from Azure, SQL Server, and diverse source systems using COPY INTO, Snowpipe, Fivetran, and Matillion — reducing data latency across enterprise BI workflows.

• Improved Snowflake processing efficiency by 30% through clustering key optimization, warehouse auto-scaling configuration, and query profile-driven tuning.

• Implement enterprise-grade security using RBAC, row-level security, column-level dynamic data masking, and secure views — ensuring compliance with data governance and privacy standards.

• Monitor and optimize warehouse utilization, credit consumption, and clustering to control cloud spend while maintaining SLA-driven performance targets.

• Build and maintain views, stored procedures, schemas, and database objects supporting enterprise BI, analytics, and reporting workflows serving Tableau and Power BI consumers.

• Automate ETL pipelines using Snowflake Streams and Tasks, JAMS scheduler, and third-party connectors, eliminating manual data movement across 10+ source systems.

• Troubleshoot and resolve Snowflake and SQL Server incidents, maintaining high availability and ensuring rapid RTO/RPO recovery for production environments.

• Collaborate with cross-functional business and engineering teams to design scalable, cost-optimized data solutions aligned with enterprise architecture standards.

• Ensure data compliance, governance, and audit readiness across all Snowflake deployments in a regulated financial services environment.

Mayo Clinic Phoenix, AZ Apr2017 –Mar 2020

SQL Server Database Administrator

• Administered SQL Server 2019 environments including installation, configuration, patching, SQL Agent jobs, database mail, permissions, and TDE encryption across 20+ production databases.

• Increased revenue reporting efficiency by 25% by leading team-based development of SQL Server data warehousing solutions and optimizing BI dataset queries.

• Migrated SQL Server workloads into Snowflake Data Cloud, designing target schemas, validating data integrity, and rewriting ETL processes for cloud-native execution.

• Tuned indexes, statistics, and SQL query execution plans to resolve performance bottlenecks across OLTP and reporting workloads.

• Configured and maintained Always On Availability Groups, log shipping, and replication for HA/DR environments — ensuring business continuity for mission-critical healthcare systems.

• Performed SQL Server backup, restore, and disaster recovery operations with documented RTO/RPO targets and regular DR drills.

• Designed secure access control structures — roles, schemas, and least-privilege permissions — to protect sensitive patient data in compliance with HIPAA requirements.

Developed and optimized complex T-SQL queries, stored procedures, and views supporting clinical reporting and operational analytics teams.

Madonna Rehabilitation Hospital Lincoln, Nebraska Feb 2016-Mar 2017 SQL Server Database Administrator

• Supported SQL Server database administration for healthcare applications, including backups, restores, user access, SQL Agent jobs, maintenance plans, and routine production monitoring.

• Assisted with performance troubleshooting by reviewing long-running queries, indexes, blocking sessions, job failures, storage utilization, and error logs.

• Maintained database security through role-based permissions, account reviews, and controlled access to sensitive patient and operational data.

• Created and modified T-SQL scripts, views, stored procedures, and reporting queries to support business users and operational reporting needs.

• Collaborated with application, infrastructure, and reporting teams to resolve incidents, document fixes, and maintain stable database operations.

SELECTED PROJECTS

Snowflake Enterprise Data Pipeline Modernization: Built and automated ingestion workflows using Snowpipe, Streams, Tasks, COPY INTO, Fivetran, and Matillion to move operational data into Snowflake and reduce manual data movement across multiple source systems.

Salesforce Service Operations Analytics Enablement: Prepared Snowflake data models and KPI-ready datasets for service and operations dashboards, supporting CRMA-style dataflows, lenses, dashboard logic, and business decision reporting. Snowflake Security and Governance Implementation: Implemented RBAC, secure views, row-level security, dynamic data masking, and audit-ready access patterns to support regulated data access and least-privilege governance. SQL Server to Snowflake Migration Support: Assessed SQL Server workloads, mapped source-to-target structures, validated migrated data, rewrote transformation logic, and supported cloud analytics modernization. Healthcare SQL Server HA/DR and Reporting Optimization: Configured backup/recovery processes, high-availability support, query tuning, indexes, and reporting dataset improvements for mission-critical healthcare reporting environments.g, indexes, and reporting dataset improvements for mission-critical healthcare reporting environments. E D U C A T I O N

Bachelor of Science in Computer Science — University of Buea 2016

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